Refactor: move IssuesController#preview to a new controller.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3946 e93f8b46-1217-0410-a6f0-8f06a7374b81

config/routes.rb

@@ -105,6 +105,8 @@ ActionController::Routing::Routes.draw do |map|
 
   map.resources :issue_moves, :only => [:new, :create], :path_prefix => '/issues', :as => 'move'
   map.auto_complete_issues '/issues/auto_complete', :controller => 'auto_completes', :action => 'issues'
+  # TODO: would look nicer as /issues/:id/preview
+  map.preview_issue '/issues/preview/:id', :controller => 'previews', :action => 'issue'
   
   map.with_options :controller => 'issues' do |issues_routes|
     issues_routes.with_options :conditions => {:method => :get} do |issues_views|